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Table 6 Predictors of mortality according to univariate and multivariate analysis

From: Trauma admissions to the Intensive care unit at a reference hospital in Northwestern Tanzania

Independent (predictor)variable Number of patients (N/%) Univariate analysis Multivariate analysis
   OR. (95%C.I) p-value OR. (95%C.I) p-value
Age      
≤40 202(64.7) 1   1  
> 40 110(35.3) 1.41 (0.45-1.82) 0.098 2.5 (0.56-6.67) 0.765
Sex      
Male 264(84.6) 1   1  
Female 48 (15.4) 4.52 (0.95-5.83) 0.678 3.12(0.97-5.78)  
Type of admission      
Emergency 297(95.2) 1   1  
Elective 15 (4.8) 2.71 (1.2-3.7) 0.024 3.83 (0.93-5.98) 0.934
Timing of admission      
Immediately 111 (35.6) 1   1  
Delayed 201 (64.4) 2.93 (2.22-8.45) 0.003 3.43(2.26-7.91) 0.028
Duration of LOC (N = 214)      
≤ 2 hours 72(33.6) 1   1  
> hours 146(68.2) 2.23 (1.89-7.98) 0.000 0.34(0.12-0.78) 0.004
ISS      
≤ 15 2(0.6) 1   1  
>15 310 (99.4) 6.83(3.56-8.91) 0.012 7.21 (2.65-10.96) 0.000
GCS      
<9 192(61.5) 1    
≥9 120(38.5) 2.64( 1.32-6.76) 0.034 4.72 (3.16-9.23) 0.003
Admission SBP(mmHg)      
< 90 172(55.1) 1   1  
≥90 140(44.9) 1.76(0.56-4.35) 0.042 8.34 (4.61-9.98) 0.016
Need for ventilatory support      
Yes 169(54.2) 1   1  
No 143 (45.8) 2.45(1.24-5.89) 0.038 0.65 (0.28-0.86) 0.018
CT scan brain findings of SOL (N = 122)      
Yes 98(80.3) 1   1  
No 24(19.7) 0.77 (0.23-0.98) 0.000 3.53(2.23-6.97) 0.015
  1. Abbreviations: O.R.= Odds ratio; C.I.= confidence interval; LOC = loss of consciousness; ISS = injury severity score; GCS = Glasgow coma scale; SBP = systolic blood pressure; SOL = space occupying space